Baada ya kula wali na maharagwe, nimeshiba.

Baada ya means after.

It is a very common expression in Swahili:

• baada ya kazi = after work
• baada ya chakula = after the meal
• baada ya kula = after eating

So in this sentence, Baada ya kula wali na maharagwe means After eating rice and beans.

Because after baada ya, Swahili often uses the infinitive form of the verb.

• kula = to eat / eating

Here, kula works a bit like an English -ing form:

• baada ya kula = after eating

So even though kula literally means to eat, in this structure it is best understood as eating.

Nimeshiba can be broken into:

• ni- = I
• -me- = perfect aspect marker
• -shiba = be full / be satisfied from eating

So:

• ni-me-shiba = I have become full / I am full

In natural English, this is usually just translated as I am full.

This is a very common thing in Swahili.

The marker -me- often shows that something has happened and its result is true now.

So:

• nimeshiba literally has the idea I have become full
• but the current result is I am full

English often uses a simple present adjective here, while Swahili uses a verb form that highlights the completed action and its present result.

In Swahili, -shiba behaves like a verb root, not just a plain adjective.

So:

• nimeshiba = I am full / I have eaten enough
• ameshiba = he/she is full
• wameshiba = they are full

This is why Swahili does not need a separate verb like to be in this sentence.

Swahili does not use articles like English a, an, the.

So:

• wali can mean rice or the rice, depending on context
• maharagwe can mean beans or the beans, depending on context

You understand the exact meaning from the situation, not from an article.

Here na means and.

So:

• wali na maharagwe = rice and beans

Be careful: na can also mean with in other sentences, depending on context.

Examples:

• chai na maziwa = tea with milk
• Juma na Asha = Juma and Asha

No. Usually nimeshiba is enough.

That is because the subject is already built into the verb:

• ni- = I

So mimi is only added for emphasis, contrast, or clarity:

• Mimi nimeshiba, lakini yeye bado ana njaa. = I am full, but he is still hungry.

In neutral speech, just nimeshiba is natural.

Yes, absolutely.

Both are natural:

• Baada ya kula wali na maharagwe, nimeshiba.
• Nimeshiba baada ya kula wali na maharagwe.

The difference is mainly focus:

• starting with Baada ya kula... emphasizes the time or circumstance
• starting with Nimeshiba... emphasizes the result first

Maharagwe is normally used as a plural or mass noun meaning beans.

In everyday Swahili, foods are often treated as mass nouns, so you do not always think about them the same way as countable English nouns.

Also, you may sometimes see or hear maharage in some varieties of Swahili. Both refer to beans, though maharagwe is very common.

The comma separates the introductory phrase from the main clause.

• Baada ya kula wali na maharagwe, = introductory time phrase
• nimeshiba. = main statement

This is similar to English:

• After eating rice and beans, I am full.

In casual writing, people may sometimes omit commas, but using one here is clear and natural.

Yes. Depending on context, nimeshiba can mean:

• I am full
• I have had enough to eat
• I am satisfied from eating

So it is not just about the physical state of fullness, but also the idea that you are no longer hungry.

A very useful pattern is:

Baada ya + infinitive verb, + main clause

Examples:

• Baada ya kusoma, nililala.
  = After studying, I slept.
• Baada ya kufanya kazi, waliondoka.
  = After working, they left.
• Baada ya kunywa maji, alijisikia vizuri.
  = After drinking water, he/she felt well.

Another useful pattern is the verb form:

subject prefix + -me- + verb root

Examples:

• nimechoka = I am tired / I have become tired
• amefika = he/she has arrived
• tumekula = we have eaten

So this sentence gives you two important grammar patterns at once.